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llvm/test/CodeGen/Thumb2/bti-pac-replace-1.mir
- This file was added.
| # RUN: llc --run-pass=arm-branch-targets %s -o - | FileCheck %s | |||||
| --- | | |||||
| target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64" | |||||
| target triple = "thumbv8.1m.main-arm-unknown-eabi" | |||||
| define hidden i32 @_Z1fi(i32 %x) { | |||||
| entry: | |||||
| %add = add nsw i32 %x, 1 | |||||
| %call = tail call i32 @_Z1gi(i32 %add) | |||||
| %sub = add nsw i32 %call, -1 | |||||
| ret i32 %sub | |||||
| } | |||||
| declare dso_local i32 @_Z1gi(i32) | |||||
| !llvm.module.flags = !{!0, !1, !2} | |||||
| !0 = !{i32 1, !"branch-target-enforcement", i32 1} | |||||
| !1 = !{i32 1, !"sign-return-address", i32 1} | |||||
| !2 = !{i32 1, !"sign-return-address-all", i32 0} | |||||
| ... | |||||
| --- | |||||
| name: _Z1fi | |||||
| alignment: 4 | |||||
| exposesReturnsTwice: false | |||||
| legalized: false | |||||
| regBankSelected: false | |||||
| selected: false | |||||
| failedISel: false | |||||
| tracksRegLiveness: true | |||||
| hasWinCFI: false | |||||
| registers: [] | |||||
| liveins: | |||||
| - { reg: '$r0', virtual-reg: '' } | |||||
| frameInfo: | |||||
| isFrameAddressTaken: false | |||||
| isReturnAddressTaken: false | |||||
| hasStackMap: false | |||||
| hasPatchPoint: false | |||||
| stackSize: 16 | |||||
| offsetAdjustment: 0 | |||||
| maxAlignment: 4 | |||||
| adjustsStack: true | |||||
| hasCalls: true | |||||
| stackProtector: '' | |||||
| maxCallFrameSize: 0 | |||||
| cvBytesOfCalleeSavedRegisters: 0 | |||||
| hasOpaqueSPAdjustment: false | |||||
| hasVAStart: false | |||||
| hasMustTailInVarArgFunc: false | |||||
| localFrameSize: 0 | |||||
| savePoint: '' | |||||
| restorePoint: '' | |||||
| fixedStack: [] | |||||
| stack: | |||||
| - { id: 0, name: '', type: spill-slot, offset: -4, size: 4, alignment: 4, | |||||
| stack-id: default, callee-saved-register: '$lr', callee-saved-restored: true, | |||||
| debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } | |||||
| - { id: 1, name: '', type: spill-slot, offset: -8, size: 4, alignment: 4, | |||||
| stack-id: default, callee-saved-register: '$r7', callee-saved-restored: true, | |||||
| debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } | |||||
| - { id: 2, name: '', type: spill-slot, offset: -12, size: 4, alignment: 4, | |||||
| stack-id: default, callee-saved-register: '$r12', callee-saved-restored: true, | |||||
| debug-info-variable: '', debug-info-expression: '', debug-info-location: '' } | |||||
| callSites: [] | |||||
| debugValueSubstitutions: [] | |||||
| constants: [] | |||||
| machineFunctionInfo: {} | |||||
| body: | | |||||
| bb.0.entry: | |||||
| liveins: $r0, $r7, $lr, $r12 | |||||
| frame-setup t2PAC implicit-def $r12, implicit $lr, implicit $sp | |||||
| frame-setup tPUSH 14 /* CC::al */, $noreg, killed $r7, killed $lr, implicit-def $sp, implicit $sp | |||||
| frame-setup CFI_INSTRUCTION def_cfa_offset 8 | |||||
| frame-setup CFI_INSTRUCTION offset $lr, -4 | |||||
| frame-setup CFI_INSTRUCTION offset $r7, -8 | |||||
| early-clobber $sp = frame-setup t2STR_PRE killed $r12, $sp, -4, 14 /* CC::al */, $noreg | |||||
| frame-setup CFI_INSTRUCTION def_cfa_offset 12 | |||||
| frame-setup CFI_INSTRUCTION offset $ra_auth_code, -12 | |||||
| $sp = frame-setup tSUBspi $sp, 1, 14 /* CC::al */, $noreg | |||||
| frame-setup CFI_INSTRUCTION def_cfa_offset 16 | |||||
| renamable $r0, dead $cpsr = nsw tADDi8 killed renamable $r0, 1, 14 /* CC::al */, $noreg | |||||
| tBL 14 /* CC::al */, $noreg, @_Z1gi, csr_aapcs, implicit-def dead $lr, implicit $sp, implicit killed $r0, implicit-def $sp, implicit-def $r0 | |||||
| renamable $r0, dead $cpsr = nsw tSUBi8 killed renamable $r0, 1, 14 /* CC::al */, $noreg | |||||
| $sp = frame-destroy tADDspi $sp, 1, 14 /* CC::al */, $noreg | |||||
| $r12, $sp = frame-destroy t2LDR_POST $sp, 4, 14 /* CC::al */, $noreg | |||||
| $sp = frame-destroy t2LDMIA_UPD $sp, 14 /* CC::al */, $noreg, def $r7, def $lr | |||||
| t2AUT implicit $r12, implicit $lr, implicit $sp | |||||
| tBX_RET 14 /* CC::al */, $noreg, implicit killed $r0 | |||||
| ... | |||||
| # Check PAC is replaces with PACBTI and it has the frame-setup flag | |||||
| # CHECK-LABEL: bb.0.entry: | |||||
| # CHECK: frame-setup t2PACBTI | |||||
| No newline at end of file | |||||